OpenTechnical

OT-2026-000060318

Publication integrity record

Foam pad vacuum gripper, single stage ejector, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000060318) never changes.

Identity and time

Publication numberOT-2026-000060318 · never reused
Internal UUID01a0ae8a-5a75-76b1-84ee-a6d8b0f01442 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060318
StatusPUBLIC

Content hashes

Canonical text9834fc87a7489508d4f7ecc3186c73f85e6658b131f663326431d7ce8fe63a7c
Markdown43b1ff1ae546c610087945a6193c7d8aa0a3731cc753cbbb6a6f8cc926e79cf0
PDF
Publication paged26acf7f7c4f34d668f3e040eddb6e9de1ed814a6fef1864ead7db35013ca5d8
Manifest5e490a1e4691df4f90dcf88970e094bc646449ab11b67c42388ac48f1fc861e2

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureWS8qxtHLTKSNnplsHDhepnIR/4Ez2ejTo+PASAyxjAQSKmK4cW7r+cDtcgfJV4R9D66vr3GsA/Fid9B+hGTwBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:38.137852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060318
observed d26acf7f7c4f34d668f3e040eddb6e9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:38.120171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060318/manifest.json
observed 5e490a1e4691df4f90dcf88970e094bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:38.095534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060318/publication.md
observed 43b1ff1ae546c610087945a6193c7d8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:38.071634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060318/publication.txt
observed 9834fc87a7489508d4f7ecc3186c73f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.